ML20138N716
| ML20138N716 | |
| Person / Time | |
|---|---|
| Site: | South Texas, 05000000 |
| Issue date: | 06/10/1981 |
| From: | Gary Arnold IMPERIAL PROFESSIONAL COATINGS |
| To: | |
| Shared Package | |
| ML20138M609 | List:
|
| References | |
| FOIA-85-59 495-81, NUDOCS 8511050338 | |
| Download: ML20138N716 (20) | |
Text
.
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i TECHNICAL REPORT NUMBER
- 495-81 l'
l TITLE Nutec llS/Nutec 1201 Nutec 11S/Nutec ll/Nutee 1201 Radiation Tolerance.
Design Basis Accig Testing (OPSI.)
j Cet::pany Knowledge CUSTOMER I
i Submitted by: Gerald E. Arn i
mw==
,n _
Date: June 10, 1981 SOUTHERN DiPERIAL COATINGS CORPORATION,INC.
New Orleans. Louisiana 70189 P. O. Box 29077 Phone: (504) Of 4-1433 l
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i 8511050338 851016 i
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O~ SCOPE:
he purpose of this test is to evaluate the performance of Nutec 115 applied at film thicknesses of.020.115" under design basis accident conditions specified for the South Texas Project. The effects of.various mixing techniques and compressed air cleaning are also studied.
BACKGROUND:
The six test specimens were included in the South Texas Project test to generate data on Nutec 115 at film thicknesses higher than the currently qualified 35 mil. maximum DFT imposed in Service
+
Level 1 areas, to comply with the newly revised STP test require-i ments and to provide data on surface preparation other than abrasive blasting.
SUMMARY
.6 All six specimens exhibited no defects when subjected to the STP design basis accident conditions j291*F., 70 PSIG).
Two of the specimens were irradiated to 2x10 rads; radiation tolerance was
-excellent.
+
PROCEDURES:
/ 7.
Concrete coupons, measuring 2x4x2", were ccated as described in
'"\\
the attached panel preparation sheets. On coupons A32,A34, and A38, Nutec 11S was applied at various film thicknesses and in 1-3
' coats. Some faces also received a tight coat of Nutec 11.
I' Coupons A78,A83, and A85 were coated with Nutec 115 and Nutec 11 which had either been hand mixed with a spatula or with a Cowles mixer..One face of each coupon received no Nutec 11.
Therefore.
the coupons in both sets represent both the Nutec 11S/11/1201 and the Nutec 11S/1201 system.
t' The test specimens were submitted to Oak Ridge National fiaoratories.
I Coupons A32 and A83 were irradiated to 2x108 rads; all ;oupons were DBA tested per the South Texas requirements, with maximum temperature and pressure, of 291'F. and 70 PSIG, respectively.
(See attachment summary)
Refer to the attached ORNL statement for a description of the tests performed.
RESULTS:
Refer to individual ORNL results sheets.
DBA i
Coupon No.
Irradiation Results I
A32 Yes No defects
[
A34 No
' A38 No A78 No A83 Yes AS$
No
,- e e-eem me e - <
we w = a une
,e aw e Ow e, -
4**+-
eese-
,,y 3 Technical Report #495-81 Page 2 j
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CONCLUSION:
At the LOCA conc'itions simulated in this test, the Nutec t
concrete system performed satisfactorily:
1 A) Without Nutec 11 (Nutec 11S/1201)
J B) At Nutec 11S thicknesses of.020.0,70" (one coat)
C) At Nutec 11S thicknesses of.040.115" (two-three l
coats)
D) At'Nutec 11 thicknesses of.001.010" E) At Nutec 1201 thicknesses of.003.012" F) Regardless of dispersion speed (mixing) l G) Over various prepared surfaces The date demonstrates that both the 115/11/1201 and 11S/1201 systems met the acceptance criteria of ANSI N5.12 and ANSI N101.2, when subjected to a radiation exposure level of 2x108 rads and DBA conditions of 291'T and 70 PSIG.
This report should be reviewed in conjunction with Imperial's technical report #505-81, which describes the results of a second f
DBA test series on the Nutec cencrete coating system.
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SUMMARY
OF TEST PROCEDURES Max.
Coupon #
Surface Prep.
System DFT Rad. levels Ccaments t
(Mils)*
8 A 32 11S/1201 70 (,115) 2x10 rads 11S/115/1201 60 (115) i A 34 Broomed surface 11S/1201 25 (115)
No radiation was abrasive 115/11/1201 40 (11S) blasted; all 115/115/1201 115 (115)
~
other surfaces 11S/11S/115/11/1201 75 (115) were stoned follow-A 38 ed by compressed 11S/11/1201 45 (115)
No radiation air cleaning.
115/11S/11/1201 70 (115) 115/11S/1201 70 (11S) l A 78
' 11S/11/1201 30 (115)
No radiation
- 115 & #11 l
10 (11) were hand t
Broomed surface
/
12 (1201) mixed.
l was abrasive blasted; all 8
"~
A 83 11S/11/1201 30 (lis) 2x10 rads
- 11S & #11
/
other surfaces 10 (11) were hand
)h 12 (1201) d ed.
ollow-
,f,{,[P#***{
A 85 11S/11/1201 30 (115)
No radiation
- 115 and #11 j
,1, 10 (11) were mixed 12 (1201) on a Cowles dissolver.
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TEST PROCEDURES I,
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Imperial Analytical Chemistry Division Oak Ridge National Laboratory New Orleans, Louisiana Date:
May 25, 1981
'i REPORT OF IRRADIATION AND DBA TESTING 1
j The irradiation and design basis accident (DBA) tests are conducted, j
respectively, in accordance with Bechtel Corporation specifications CP-951 I
and CP-956 in Standard Specification Coatings for Nuclear power Plants (or l
with modifications as noted in Table 2, DBA test conditions). The tests are designed to meet specifications set in both. ANSI report N 101.2-1972,
-l Protective Coatings (Paints) for Light Water Nuclear Reactor Containment Facilities, and M 5.12-1974, Protective Coatings (Paints) for the Nuclear Incustry. The DBA test spray solution and tne test conditions are listeo in Tables 1 and 2.
After both the DBA and irradiation tests, coatings are examined for signs of chalking, blistering, cracking, peeling, delamination, and flaking, according to ASTM standard = where applicable. All test panels i
are returned to the coating manufacturer.
i The irradiation tests are run using a spent fuel assembly, removed from the High-Flux Isotope Reactor at ORNL, as the source of radiation.
These I
fuel assemblies ire' stored tnder 20 ft of demineralized water.
The fuel is 93% enriched U-235 as U 03 8 combined with aluminum.
The spent fuel as-semblies are removed after each 23-eegawatt-day period..
Irradiation is done using the gamma energy from accumulated mixed fission products.
This more readily simulates conditions around a reactor than does a cobalt source. Also, the higher gama activity affords shorter irradiation time to achieve accumulated doses. The dost rate four days after removal of a fuel assembly from the reactor is 1 x 100 rad /h'.
4 i
The fuel assembly is 20 in. high.
A 20-f t-long, 3-1/2-in.-diameter j
pipe, with one end capped, is used for air irradiation tests.
The capped end is lowered into a 4-in. opening at the center of the fuel assembly. The open end, above water level, is covered with an 0-ring-sealed flange to which is attached a steel cable and an air outlet hose.
The air inlet is located at the bottom of the pipe.
Test specimens are connected to the bottom of the cable and lowered into the radiation field.
Also at the center of the fuel assembly is a stainless steej-clad cadmium tube used as a neutron absorber.
This prevents contamination of the test specimens by induced radiation.
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Evaluated cd, /,
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Approved I,
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Manufacturer:
Imperial Analytical Chemistry Division Oak Ridge National Laboratory New Orleans, Louisiana Date:
May 26,1981 ORNL Log Book No. A9675, AS-5-1 Table 1.
DBA solution composition, distilled water j
Reagent Concentration Boric acid, H2B'03 0.28 #
Sodium hydroxide, NaOH Required to adjust pH to 9.5 Table 2.
DBA test conditions Temperature Pressure l
Time
(*F)
(psig)
Conenents I
Start 150 Autoclave preheated.
D 10 min 150-291 Steam injected at 260*F.
20 min 291 70 Pressure maintained by relief valve.
45 min 291-260 80 min 260 39 Pressure adjusted with N -
2 120 min 260-220 180 min 220 20 210 min 220-160 21 h 160 5
10 d 125 2
Placei in fresh spray solution in constant temperature bath.
j End of test 1
i Evaluat d 4
Approved
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=
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- -. o.
-.e O
PANEL PREPARATION DATA n
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= = = +
eae
m-TEST PAh*EL PRE?ARATION DATA jju
' DUCT TO BE TESTED:
v,,,d 3em,,..,.
39ny 2.
TYPE SUBSTRATE: Concrete Sire-2x4y 2 1
3.
SURPACE PREPARATION (Describe):
Carborundum stone used to re=ove hich lichts W 1an=,
particles l broomed surface blast swept to remove efflorescence. Cleaned with 100 e=4 r -- -
pressed air
,4 SAMPLE NO.(s):
A-32 l. PRODUCT DATA:
3.
DATE AND TIME CURING COMPOUND OR PRIMER APPLIED:
N/A j
PRODUCT APPLICATION CONDITIONS THICKNESS T EE & DJ COAT PRODUCT CODES 3ATCH #
METHOD R/M(*F)TR.H.
(ins.)
APPLIE*
Nutec 11S 2519/2530/2517 Squeegee 66*F/53%
2/4/81 3:00 p.c.
Nutel$
11S 2519/2530/2517 Squeegee 60*F/85 2/5/81 9:00 a.m.
Nutec 11S 2519/2530/2517 Squeegee 64*F/55:
2/9/81 9:30 a.m.
Nutec 1201 9772/1959 Spray 73*F/52%
2/16/81.3:C FILM THICKNESS
- op yIgg oy f
+
(ins.)
115 lic **
ite ***
11 ****
1201 *****
COUPON Side 1 max.
.060.070
.on, ons 3
4 2
Side 2 min.
.040.050
.001 nnt 1
Side 3
.010.020
.030.040
.003.005 Numbered and
, Side 4
.010.020
.b30.040
.003.005 broceed surfa
~
TOTAL DRY FILM THICDTESS RANGE - Side 1.063.075 Side 3.043.065 Side 2 043.055 Side 4.044.074 l
lCURINGCONDITIONS: AMBIENT TEMP.
70-Rn
- F REL. EUMIDITY 45-65 i
MINIMUM CURE 7
DAYS TET OCEDU?.E:
CEA and Fad TESTd0PERFORMEDBY:
CP:n DATE SUEM TTED 4-28-81 Al?R07ED TEST REPORT NO.
495-81
.. - ~.
.4 1
TEST PANEL PRIPARATION DATA C.O.d JUCT TO BE TESTED:
Nutec 115/Nutec 11/Nutec 120L Nutee 11S/Nutee 1201 l
TYPE SUBSTRATE: Concrete strer 2v4v 7 I
l.
SURFACE FREFARATION (Describe):
Carborundum stone used to remove hinh ifwhen and inn==
-l particles; broomed surface blast swept to remove efflorescence. Cleaned with 100 nef e~n-pressed air FacDUCT DATA: SAMPLE NO.(s):
A-34 l
1.
DATE AND TIME CURING COMPOUND OR FRMEIt APPLIED:
N/A PRODUCT AFFLICATION CONDITIONS THICKNESS TIME & DA
' OAT PRODUCT CODES 1ATCH f MEIBOD R/M(*F)ZR.H.
(ins.)
APPLIE::
Nutec 11S 2519/2530/2517 Squeesee 66*F/53%
2/4/81 3.:00 P.m a
Nutec 115 2619/2530/2517 Squeegee 60*F/85%
9:00 a.m.
2/5/81 Nutec 11S 2519/2530/2517 Squeegee 62*F/55 2/9/81 9:30 a.m.
Nutec 11 2476/2102/2444 Squeesee 62*F/43:
2/13/81,2:Oi Nutec 1201 9772/1959 Spray 73*F/52%
2/16/81.3:Or FILM THICKNESS TOP VIEW OF (ins.)
lis 11s **
11e ***
11 ****
1201 *****
COUPON Side 1 Min.
.020.025
.003.005 3
Side 2
.025.040
.001.004
.003.005 1
Side 3 Max.
.025.035
.030.040
.030.040
.001.004
.003.005 t
Numbered'and
' side 4
.020.035
.030.040
.003.005 broomed surfa TOTAL DRY FILM TE*CKNESS RANCE - Side 1.023.030 Side 3.086.124 Side 2.029.049 Side 4.053.080 N G CONDITIONS
- AMBIENT TEMP.
70-80
'T REL. hTMIDITY 45-65 4
f MINIMUM CURE 7
DAYS I
OBA RESP ' OCEDURE:
IESTIN PERFORMED BY:
CPE DATE SUBMITIED 4-28-81 APPRO7ED.//
d 4
i TEST REPORT NO. 495-81
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TEST PAN 11. FREFAR *. TION DATA UCT TO BE TESTED:
Nutec 11S/Nutec 11/Nutec 1201. Nutec 11S/Nutec 1201
'. TTFE SUBSTRATE: Concrete gir..
2y a,2 l
!. SURFACE FREFARATION (Describe):
Carborundum stone used to remove hi.h liches am4 inne.
particles broomed surface blast swept to remove efflorescence. Cleaned with 100 nei em pressed air
[. FRODUCT DATA: SAMFLE BO.(s):
A-38 i
- k. DATE AND TDfE CURING COMPOUND OR FEIMER AFFLIED:N/A 1
1
_l FRODUCT AFFLICATION CONDITIONS TEICENESS TIME & DA l0AT FRODUCT CODES 3ATCH f METROD R/M(*F)%R.R.
(ins.)
AF? LIED 2
j Nutec 11S 2519/2530/2517 Squeesee 66*F/53%
2/4/81 1
3:00 P**
Nutec 11S 2519/2530/2517 Squeegee 60*F/85%
2/5/81 9:00 a.=.
s Nutec 115 2519/2530/2517 Squeegee 62*F/55%
2/9/81 9:30 a.m.
e Nutec 11 2476/2102/2444 Squeesee 62*F/43%
2/13/81.2:0I
]
Nutee 1201 9772/1959 Spray 73*F/52%
2/16/81,3:Ot 6
,FIDI TRICINESS TOP VIEST OF j
i (ins.)
lis 11m **
11e ***
11 ****
1201 *****
COUFON i
j
'Sid7 1 min.
.030.045
.001.004
.003.005 3
1 4
2 max.
.025.030
.030.040
.001.004
.003.005
'.Sid,2 1
1
'Sid9 3
.025.030
.030.040
.003.005 4,
Numbered'and
.003:.005 broomed surfai Sid,4
.025.030
.030.040 1
ICTAL DRY FILM THICKNESS RANGE - Side 1 034.054 Side 3.058.075 Side 2 059.079 Side 4.058.075 l
URING CONDITIONS: AMBIENT TEMP.
70-An
' 'T REL. HUMIDITY 45-65 1
MINIMUM CURE 7
DAYS IESP EDURE:
CBA I
(
l IESTh FERFOP.'GD BT:
CPE DATE SUBMITTED 4-28-91 APPROVED uIM [6 j
TEST REPORT No. 495-81 4.
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TEST PMTEL PREPARATICN CATA O
1 PRODUCT M BE TESTED:
N"***
11C/"=*** 11/N"*e 1201. Nutec 11S/Nutee 1201 2
TYPE SUBSTRATE:
Conereto SIZE 2" x'4" x 2" 3.
SURTACE PREPARATION (Describe): Blast swept on broomed surface to remove afflorescences i
i remainine faces wire brushed and blown down with 100 psi compressed air to remove dust and loose concrete.
4.
PICDUCT DATA: SAMPI.E NO. (s) :
A-78 5..
DATE AND TIME CURINC COMPOUND OR PRIMER APPLIED PRODUCT APPLICATION CONDITIONS THICKNESS TIME & DE 1 COAT PRCDUCT
__ CODES BATCH 5 METHOD R/M(CF)%R.E.
(ins. )
APPLIE:
.I Nutec 11S*-
2519/2086/2516 squeegee 71/73 See below 3-27-81 l
Nutec 11*
2476/2683/2444 squeegee 73/64 4-2-81 Nutec 1201 2606/2607 spray 69/51 4-6-81 ti L.
3 FIIJt THICY2:Ess TOTAL CFT l
finn.3 Nutec 11S Nutec 11 Nutec 1201 PR4GE COUPON Side 1l
.020.030
.006.010
.008.012
.034.052 7
Side 2 Min.
.020.030
.008.012
.028.042 2
. ' -side 3
.020.030
.006.010
- 008.012
.034.052 1
! Side 4
.020.030
.006.010
.006.012
.034.052 Numberes and 9
1 broemed surfac l
s
's.
CURING CO!TDITICNS: AMBIINT TEMP.
65-80 F
PII.. hv.4IDITY 45-90 r
MINIMUM CTRE 7
OAYS 4
TEST PROCEDURE:
DBA 4
TESTINO PIPSCRMED BY OPliL DATE SUBMITTED 4-28-81 e
I i
- Hand mixed APPROVED:
I
(
)
TEST REPORT'HO:
495-81 I
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1 TEST PANE: PPIPARATION CATA O
1.,
PRODUCT TO R:: 7.3TED:
Nutec 11S/Nutec ll/Nutec 1201. Nutee llS/Nutee 1201 2
TYPE SUBSTRATE:
Concrete SIIE: 2" x 4" x 2" 3.
SURFACE PREPARATICN (Describe): Blast swept on broemed surface to remove effloreseeneer remaining faces wire brushed and blown down with 100 psi compressed air to remove dust and loose cenerate.
4.
PICDUCT DATA: SAMPLE NO. (s) :
A-43 I5.
DA3 AND TIME CURING COMPOJND OR PRIMER APPLIED N/A PEODUCT APPI.ICATICN CONDITICNS M ICX2fE55 TIME & CA*
COAT PRODUCT CODES BATI 4 METSICD R/M(*F)%R.R.
fins.)
APPLIII k
Nutec 11S*
2519/2086/2516 squeegee 71/73 See below 3-27-01 Nutec 11*
2476/2683/2444 squeegee 73/64 4-2-81 Nutec 1201 2606/2607 spray 69/51 4-6-81 s
\\
I FIIJi THICIC.T.35 TOTAL CFT T
finn.)
Mutee 11S Nutec 11 Nutee 1201 PANGE COUPON
- SidT
,1 !
.020.030
.006 _016
.oca _ m 9 034.052 2
min.
.020.030
.008.012
.028.042
{Sid, 2
1,Sidi 3
.020.030
.006.010
.008.012 034.052 1
! sids 4
.020.030
.006.010
.008.012 034.052 Number k and l
broomed surface
!. CUR.ING CONDITICNS: AMBIINT TEMP.
65-80 F REL. hT.IDI';T 45-90 MINIMUM CUP.C 7
CAYS I
f.
TEST PROCTDURE:
DBA / Radiation Tolerance
(
TESTINC PIPICKED BY:
CRNL CAU. SU3:41;T2D 4-28-81 l
- Hand mixed t
APPROVED:
e t
TEST P.EPORT NO:
495-81 1
4
.r
-m-s-__.---%..,m.,-,
_,..~,w f.-
-v,__e,-,,_,ww-,,,,om mm-w,
- p. m y
,,,,-,,,-m.,w._,-
-w.mg_y-,.--~.-----_,,w.r
,-..?..-.~.
r.
-...u.
m._
4...m.-
i s.
I i
TEST PANEL PREPARATION DATA O
1 PRODUCT 2C BE TESTED:_ Nutec lis/Nutee ll/Nutee 1201, Nutee llS/Nutee 1201
,2 TYPE SUBSTRATE:
Concreto SIZE:
2"x4"x2" j3. SURFACE PREPARATION (Describe): _ Blast swept on broomed surface to remove efflorescences remaining faces wire brushed and blewn down with 100 r.si compressed air to remove dust and j
loose concrete.
4.
PRODUCT DAThe SAMPLE NO. (s) :
A-85 1
' 5.. DATE AND TIME CURING COMPOUND OR PRIMER APPLIED i
-f 1
i PRODUC" APPI.ICATION CONDITIONS T'4ICKhTSS TIME & CA" COAT PRODUCT
_ CODES _
BAtt"I 8 METHOD R/M('F)tR.R.
C fins.)
APPLIE:
I j
Nut,ec -
llS*
2519/LN138-17-2 squeegee 71/73 Sale below 3-27-81 t
+
f Nutec 11*
2476/LN138-17-1 squeegee 73/64 4-2-01 o
l i
Nutec 1201
'2606/2607 spray 69/51 4-6-81 I;
l 1
! TIIJi THICE27,.SS NJtec 11S Putec 11 Nutec 1201 RANGE COUPON TOTAL DFT finn.
Side
,1
.020.030
.006.010 I.008.012
.034.052 l
3
. Side 2 min.
.020.030
.008.012
.029.042 l
2 f
_ Side 3
.02C.030
.006.010
.008.012
.034.052 1
i Side 4
.020.030
.006.010
.008.012
.034.052 Numbarkand 1l broemed surfact 5.
CLric CONDITICNS: A:CIENT TE.T.
65-80 F
REI.. HUMIDITY 45-90 d
MINIMUM CTRE 7
CAYS t
F.
TIST ppa)CICURI:
DBA i
i 1.
TESTING PERFCKED BY:
CP3L DATE SUBMITTED 4-28-81
'Cowles Mixed '
c" APPROVED:
M j
l TIST REPCRT NO:
,oe_o, i
l
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===Me w me +.s=* ' *
~ ~ ' ' ~
r---
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a, se
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m e
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- f I
i RESULTS 1
9 4
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OAK RIDGE NATIONAL LABORATORY opcRAftO SV UNtoN CARBIDE CoRPoRAT!oN l
NUCLEAR OtVit!0N O
POST OPPICE E0X X OAK ABOGE. TEMMESSEE 37820 May 26, 1981 Mr. Gerald E. Arnold Technical Representative Imperial Professional Coatings l
P.O. Box 29077 l
New Orleans, Louisiana 70189 i
Dear Jerry:
Enclosed ard tHe test fesults on your recently submitted specimens.
- If we can be of further assistance, please feel free to call on us.
Sincerely yours,,
j
/.o O&
L T. Corbin, Section Head
.I Analytical Chemistry Division l
LTC:dmw
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Enclosures 1
1 i
9 f
x 4
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c
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.p.- e -+
4 Manufacturer:
Imperial Analytical Chemistry Division Oak Ridge National Laboratory New Orleans, Louisiana Date:
May 26, 1981 1
1 SYSTEM IDENTIFICATION Steel panel x Concrete block I
115/1201 RADIATION TOLERANCE TEST ORNL Master Analytical Manual Method No. 2 0921; Bechtel Corporation Specification No. CP-951; ORNL Log Book No. A9675, A5-5-1.
Initial dose rate:
1.0 x 107 rad Test conducted in:
x air water
~
Sample No.
Cumulative dose Test results A-32 2 x 108 rad Coatings intact, no defects.
I I
d 0
Approved I., /,
m l
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.....,.i..,,
Manufacturer:
Imperial Analytical Chemistry Division Oak Ridge National Laboratory New Orleans, Louisiana Date:
May 26,1981 SYSTEM IDENTIFICATION Steel panel x Concrete block 115/1201 OBA TEST CRNL Master Analytical Manual Method No. 2 0922.
ORNL Log Book No. A9675, AS-5-1 Sample No.
DBA phase Test results Coatings intact, no defects, all areas.
A-32 spray
- A-34 spray Coatings intact, no defects, all areas.
spray Coatings intact, no defects, all areas.
A-38
~.
- Irradiated.
l t
l i
t i
/
Evaluated
/
Approved [D s
V _ - - -
~
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7
---g 9
F
.4
, ;;,. r,4 Manufacturer:
Imperial Analytical Chemistry Division Oak Ridge National Laboratory New Orleans, Louisiana Date:
May 26, 1981 SYSTEM IDENTIFICATION Steel panel x Concrete block l
115/11/1201 4
PADIATION TOLERANCE TEST ORNL Master Analytical Manual Method No. 2 0921; Bechtel Corporation Specification No. CP-951; ORNL Log Book No. A9675, A5-5-1.
Initial dose rate:
1.0 x 107 rad Test conducted in:
x air water
~
Sample No.
Cumulative dose Test results A-83 2 x.108 rad Coatings intact, no defects.
l_u d [
Evaluated z
4f Approved I
t I
i
y g..
x,.......;,...
-c Manufacturer:
Imperial Analytical Chemistry Division Oak Ridge National Laboratory New Orleans, Louisiana Date:
May 26, 1981 SYSTEM IDENTIFICATION Steel panel x Concrete block
- s 115/11/1201 s
a 1
OBA TEST j
ORNL Master Analytical Manual Method No. 2 0922.
ORf;L Log Book No. A9675, AS-5-1 Sample No.
DBA phase Test results A-78 spray Coatings intact, no defects, all areas.
A-83 spray
- Coatings intact, no defects, all areas.
A-85 spray Coatings intact, no defects, all areas.
_. m m
- Irradiated.
i 1
I
/
fl Evaluated rY /. /2 e-
/--/. #,
s Approved 2
l s
4
- emmy g
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-.w-
.-g
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